Calas Performance Single Springs & Retainers for Yamaha FF-YM-VT-0072
Increase the reliability of your modified engine by reducing the risk of valve float with this Calas Performance heavy duty valve spring and retainer kit. These high quality and durable components have powered numerous drag racing Championships and top speed World Records!
Includes 16 precision machined titanium retainers, 16 race-bred valve springs, and 16 spring locators.